/* 项目 */
.banner{
    width: 1200px;
    height: 300px;
    margin: 0 auto;
    background: url(../img/banner.jpg) no-repeat center;
    background-size: cover;
}
.content{
    width: 100%;
}
.content-c{
    width: 1200px;
    margin: 0 auto;
}
.content .box .left{
    float: left;
}
.content .box .right{
    float: right;
}
/* 左边 标题 的 设置 */
.content .zuo{
    height: 14px;
    line-height: 14px;
}
.content .you{
    height: 14px;
    line-height: 14px;
    color: #668aca;
}
/* 右边的导航样式 */
.content .box{
    margin-top: 51px;
    margin-bottom: 70px;
}
.content .right .p-item{
    float: left;
    width: 97px;
    height: 14px;
    line-height: 14px;
    text-align: center;
}
.content .right .p-nav .active::after{
    opacity: 1;
}
.content .active a{
    font-size: 16px;
    color: #668aca;
}
.content .right .line{
    float: left;
    width: 1px;
	height: 8px;
	background-color: #b5b5b5;
    margin-top: 5px;
}
.content .right .p-item::after{
    content: '';
    display: block;
    width: 12px;
	height: 1px;
	background-color: #668aca;
    margin: 0 auto;
    margin-top: 3px;
    opacity: 0;
}

/* 中间导航的 hover状态 */
.content .right .p-item:hover a{
    font-size: 16px;
    color: #668aca;
}
.content .right .p-item:hover::after{
    opacity: 1;
}


/* 下面的图片 */
.content .bg-ctrl{
    margin-top: 54px;
    margin-bottom: 21px;
}
/* 图片 */
.content .sange{
    position: relative;
    float: left;
    width: 360px;
    height: 270px;
    /* background-color: orange; */
    margin-right: 60px;
    margin-bottom: 20px;
    border-radius: 8px;
    /* 超出部分隐藏 */
    overflow: hidden;
}
.content .sange .bg{
    height: 180px;
    background: url(../img/bg-1.jpg) no-repeat center;
    background-size: 100% 100%;
    border-radius: 8px;
    overflow: hidden;
}
/* 我怎么顺序出问题了 */
/* 文字 */
.content .bg-ctrl .sange p{
    padding: 0 50px;
}
.content .bg-ctrl .sange p:nth-child(2){
    height: 14px;
    line-height: 14px;
    margin-top: 28px;
}
.content .bg-ctrl .sange p:nth-child(3){
    line-height: 13px;
    height: 13px;
    font-size: 12px;
    margin-top: 7px;
}
/* 小箭头 */
.content .bg-ctrl .bg-pg{
    width: 30px;
    height: 30px;
    background: url(../img/jiantou.png) no-repeat center;
    background-size: 100% 100%;
    position:absolute;
    right: 50px;
    bottom: 30px;
}
/* 蒙层 */
.content .bg-ctrl .mask{
    box-sizing: border-box;
    padding: 0 50px;
    position: absolute;
    top: 0;
    left: 0;
    width: 360px;
    height: 270px;
    color: #fff;
    background-color: rgba(0, 0, 0, .5);
    transform: translateY(-100%);
    transition: 0.4s;
}
.content .mask .text-1{
    margin-top: 58px;
    height: 15px;
    line-height: 15px;
}
.content .mask .text-2{
    margin-top: 4px;
    height: 12px;
    line-height: 12px;
    font-size: 12px;
}
.content .mask .text-3{
    font-size: 12px;
    line-height: 22px;
    margin-top: 14px;
}
.content .mask .bg-pg-a{
    display: block;
    position: absolute;
    right: 50px;
    bottom: 60px;
    width: 30px;
    height: 30px;
    background: url(../img/jiantou.png) no-repeat center;
    background-size: 100% 100%;
}
/* hover时  蒙层出现*/
.content .bg-ctrl .sange:hover .mask{
    opacity: 1;
    transform: translateY(0);
}
.content .bg-ctrl .sange:hover .bg{
    width: 360px;
    height: 270px;
    background: url(../img/bg-1.jpg) no-repeat center;
    background-size: 100% 100%;
}
.content .bg-ctrl .sange:hover .bg-pg{
    opacity: 0;
}